Home / 16,817.39-23,201.91-11,154.89

Finding the Fourth Proportional to 16,817.39, 23,201.91 and 11,154.89

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Solution

The fourth proportional to 16,817.39, 23,201.91 and 11,154.89 is: 15,389.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,817.39 : 23,201.91 = 11,154.89 : x
  2. Step 2: Convert to fraction form
    16,817.39/23,201.91 = 11,154.89/x
  3. Step 3: Cross multiply
    16,817.39x = 23,201.91 × 11,154.89
  4. Step 4: Simplify right side
    16,817.39x = 258,814,753.84
  5. Step 5: Solve for x
    x = 258,814,753.84/16,817.39
  6. Step 6: Final answer
    x = 15,389.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.